#include <stdio.h>

#define ADJUST 7.31

int main(void)
{
    double shoe, foot;
    const double SCALE = 0.333;

    printf("Show size (men's) foot length\n");
    shoe = 3.0;

    while(shoe < 18.5)
    {
        foot = SCALE * shoe + ADJUST;
        //printf(foot);
        printf("%10.1f %15.2f inches\n", shoe, foot);
        shoe = shoe + 1.0;
    }

    printf("If the shoe fits, wear it.\n");
    return 0;
}
